Robust generalized MQV key agreement protocol without using one-way hash functions

Authors:
Yuh-Min Tseng
Affiliations:
Department of Information Management, Nan-Kai College of Technology and Commerce, Nantou 542, Taiwan, ROC
Venue:
Computer Standards & Interfaces
Year:
2002

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Abstract

IEEE P1363 Committee has adopted the MQV key agreement protocol to become a standard. The MQV protocol was proposed by Menezes et al., which uses a digital signature to sign the Diffie-Hellman public keys without using one-way hash functions. Based on the MQV protocol, Harn and Lin proposed a generalized key agreement protocol to enable two communication parties to establish multiple common secret keys in a single round of message exchange. However, there is a weakness in the Harn-Lin protocol. If all common secret keys established between two parties are adopted, the protocol will suffer from the known-key attack. Therefore, a new protocol without using one-way hash functions is proposed to overcome this weakness.